BURLINGTON, VT. — RLJ Lodging Trust (NYSE: RLJ) has sold the 309-room DoubleTree by Hilton Burlington Vermont in Burlington for $35 million. The sales price represents a 4.5 percent capitalization rate. The buyer was not disclosed. Located at 870 Williston Road, the property features a fitness room, indoor pool, business center and meeting rooms. The hotel is located nearby the University of Vermont and Champlain College.